Galvanized weight (lb) = sq. ft. x
 .906
1.156
1.456
1.656
1.656
2.156
2.656 		26 GA
24 GA
22 GA
20 GA
20 GA
18 GA
16 GA		 Price based on 1/2 throut radius.
All ducts and fittings available in P.V.C., Stainles 1.656 20 GA steel and aluminum . A $75.00 minimum charge for custom fittings or parts.
  INS
GAUGES
SIZE SQ/FT 28 26 24 22 20 18 16 WELDED
6X6 4.95 17.82 19.82 22.87 28.81 32.77 42.67 78.90
6X8 5.40 19.44 21.49 24.95 31.43 35.75 46.55 86.08
6X10 5.86 21.10 23.32 27.07 34.11 38.79 50.51 93.41
6X12 6.30 22.68 25.07 29.11 36.67 36.67 54.31 100.42
6X14 6.76 24.34 26.90 31.23 39.34 44.75 58.27 107.75
6X16 7.20 25.92 25.92 33.26 41.90 47.66 62.06 114.77
6X18 7.66 27.58 30.49 35.39 44.58 50.71 66.03 122.10
6X20 8.11 29.20 32.28 37.47 47.20 53.69 69.91 129.27
6X22 8.55 30.78 34.03 39.50 49.76 56.60 73.70 136.29
6X24 8.97 32.36 35.78 41.53 52.32 59.51 77.49 143.30
6X26 9.45 34.02 37.61 43.66 55.00 62.56 81.46 150.63
6X28 9.90 35.64 39.40 45.74 57.62 65.54 85.34 157.81
6X30 10.34 37.22 41.15 47.77 60.18 68.45 89.13 164.82
8X8 7.32 26.35 29.13 33.82 42.60 48.46 63.10 116.68
8X10 7.87 28.33 31.32 36.36 45.80 52.10 67.84 124.45
8X12 8.40 30.24 33.43 38.81 48.89 55.61 72.41 133.90
8X14 8.95 32.22 35.62 41.35 52.09 59.25 77.15 142.66
8X16 9.84 35.42 39.16 45.46 57.29 65.14 84.82 156.85
8X18 10.40 37.44 41.32 48.05 60.53 68.85 89.65 164.98
8X20 10.96 39.46 43.62 50.64 63.79 72.56 94.48 174.70
8X22 11.13 40.07 44.30 51.42 64.78 73.68 95.94 177.41
8X24 12.08 43.49 48.08 55.81 70.31 79.97 104.13 192.56
8X26 12.64 45.50 50.31 58.40 73.56 83.68 108.96 201.48
8X28 13.20 47.52 52.54 60.98 76.82 87.38 113.78 210.41
8X30 13.77 49.57 54.80 63.62 80.14 91.16 118.78 219.49
8X34 14.89 53.60 59.26 68.79 86.66 98.57 128.35 237.35
8X36 15.60 56.16 62.09 72.07 90.79 103.27 134.47 248.66
10X10 10.76 38.74 42.82 49.71 62.62 71.23 92.75 171.51
10X12 11.43 41.15 45.49 52.81 66.52 75.67 98.53 182.19
10X14 12.11 43.60 48.20 55.95 70.48 80.17 104.39 193.03
10X16 12.78 46.01 50.86 59.04 74.38 84.60 110.16 203.71
10X18 13.46 48.46 53.57 62.19 78.34 89.11 116.03 214.55
10X20 14.14 50.90 56.28 65.33 82.29 93.61 121.89 225.39
10X22 14.82 53.35 58.96 68.47 86.25 98.11 127.75 236.23
10X24 15.49 55.76 61.65 71.56 90.15 102.54 133.15 246.91
10X30 17.51 63.04 69.69 80.90 101.92 115.92 150.94 279.11
10X34 18.86 - 75.06 87.13 109.77 124.85 162.57 300.63
10X36 19.98 - 79.52 92.31 116.28 132.27 172.23 318.48
10X40 20.88 - - 96.47 121.52 138.23 179.99 332.83
10X44 22.24 - - 102.75 129.44 147.23 199.71 354.51
10X48 23.60 - - 109.03 137.35 156.23 203.43 376.18
10X52 24.94 - - 115.22 145.15 165.10 214.98 397.54
10X56 26.29 - - - 153.01 174.04 226.62 419.06
12X12 14.49 52.16 57.67 66.94 84.33 95.92 124.90 230.97
12X14 15.28 55.01 60.81 70.59 88.93 101.15 131.71 243.56
12X16 16.06 57.82 63.92 74.20 93.47 106.32 138.44 256.00
12X18 16.85 60.66 67.06 77.85 98.07 111.55 145.25 268.59
12X20 17.65 63.54 70.25 81.54 102.72 116.84 152.14 281.34
12X24 19.22 69.19 76.50 88.80 111.86 127.24 165.68 306.37
12X28 20.79 74.84 82.74 96.05 121.00 137.63 179.21 331.39
12X32 22.38 - 89.07 103.40 130.25 148.16 192.92 356.74
12X36 23.95 - - 110.65 139.39 158.55 206.45 381.76
12X40 25.92 - - 119.75 150.85 171.59 223.43 413.16
12X44 27.11 - - 125.25 157.78 179.47 233.69 432.13
12X48 28.68 - - 132.50 166.92 189.86 247.22 457.16
12X52 30.26 - - 139.80 176.11 200.32 260.84 482.34
12X56 31.84 - - - 182.81 210.78 274.46 507.53
12X60 33.41 - - - - 221.17 287.44 532.56
12X66 35.78 - - - - 236.66 308.42 570.33
12X72 38.14 - - - - 252.49 328.77 607.95
14X14 17.39 62.60 69.21 80.34 101.21 115.12 149.90 277.20
14X16 18.23 65.63 72.56 84.22 106.10 120.68 157.14 290.59
14X20 19.93 71.75 79.32 92.08 115.99 131.94 171.80 317.68
14X24 23.28 83.81 92.65 107.55 135.49 154.11 200.67 371.08
14X28 25.09 83.81 99.86 115.92 146.02 166.10 216.28 399.93
14X32 26.89 - - 124.23 156.50 178.01 231.79 428.63
14X36 28.69 - - 132.55 166.98 189.93 247.31 457.32
14X40 30.50 - - 140.91 177.51 201.91 262.91 486.17
14X44 32.31 - - 149.27 188.04 213.89 278.51 515.02
14X48 34.11 - - 157.59 198.52 225.81 294.03 543.71
14X52 35.91 - - 165.90 209.00 237.72 309.54 572.41
14X56 37.71 - - - 219.47 249.64 325.06 601.10
14X60 39.52 - - - 230.01 261.62 340.66 629.95
14X66 42.23 - - - 245.48 279.56 364.02 673.15
14X72 44.93 - - - 268.39 297.44 387.30 716.18
16X16 22.06 79.42 87.80 101.92 128.39 146.04 190.16 351.64
16X20 25.64 92.30 102.05 118.46 149.22 169.74 221.02 408.70
16X24 27.66 99.58 110.09 127.79 160.98 183.11 238.43 440.90
16X28 29.70 99.72 118.21 137.21 172.85 196.61 256.01 473.42
16X32 31.73 - - 146.59 184.67 210.05 273.51 505.78
16X36 33.74 - - 155.88 196.37 223.36 290.84 237.82
16X40 35.78 - - - 208.24 236.86 308.42 570.33
16X44 37.83 - - - 220.17 250.43 326.09 603.01
16X48 39.84 - - - 231.87 263.74 343.42 635.05
16X54 42.90 - - - 249.68 284.00 369.80 683.83
16X60 45.94 - - - 258.18 304.12 396.00 732.28
16X66 49.00 - - - - 324.38 422.38 781.06
16X72 52.04 - - - - 344.50 448.58 829.52
18X18 28.99 104.36 115.38 133.93 168.72 191.91 249.09 462.10
18X20 30.12 108.43 119.88 139.15 175.30 199.39 259.63 480.11
18X24 32.38 116.57 128.57 149.60 188.45 214.36 279.12 516.14
18X28 34.63 124.67 137.83 159.99 201.55 229.25 298.51 552.00
18X32 36.89 - 146.82 170.43 214.70 244.21 317.99 588.03
18X36 39.15 - - 180.87 227.85 259.17 337.47 624.05
18X40 41.40 - - - 240.95 274.07 356.87 659.92
18X44 43.66 - - - 254.10 289.03 276.35 695.94
18X48 45.93 - - - 267.31 304.06 395.92 732.12
18X54 49.31 - - - 286.98 326.43 425.05 786.00
18X60 53.44 - - - 311.02 353.77 460.65 851.83
18X66 56.08 - - - - 371.25 483.41 893.92
18X72 59.47 - - - - 393.69 512.63 947.95
20X20 34.92 124.64 138.98 161.33 203.23 231.17 301.01 556.62
20X24 37.40 134.64 148.85 172.79 217.76 247.59 322.39 596.16
20X28 38.77 139.57 154.30 179.12 225.64 258.11 336.09 617.99
20X32 42.37 - 168.63 195.75 246.59 280.49 365.23 675.38
20X36 44.87 - - 207.30 261.14 297.04 386.78 715.23
20X40 47.36 - - - 275.64 313.52 408.24 754.92
20X44 49.84 - - - 290.07 329.94 429.62 794.45
20X48 52.33 - - - 304.96 346.42 451.08 834.14
20X54 56.05 - - - 326.21 371.05 483.15 893.44
20X60 59.78 - - - 347.92 395.74 515.30 952.89
20X66 63.50 - - - - 420.37 547.37 1,012.19
20X72 67.23 - - - - 579.52 579.52 1,071.65
24X24 48.46 - 192.87 223.89 282.04 320.81 417.73 772.45
24X28 51.32 - 204.25 237.10 298.68 339.74 442.38 818.04
24X32 54.33 - - 251.00 316.20 359.66 468.32 866.02
24X36 57.29 - - 264.68 333.43 379.26 493.84 913.20
24X40 60.21 - - - 350.42 398.59 519.01 959.75
24X44 63.16 - - - 367.59 418.12 544.44 1,006.77
24X48 66.10 - - - 384.70 437.58 569.78 1,053.63
24X52 69.03 - - - 401.75 456.98 595.04 1,100.34
24X56 71.97 - - - 418.87 476.44 620.38 1,147.20
24X60 74.90 - - - 435.92 495.84 645.64 1,193.91
24X66 79.31 - - - - 525.03 683.64 1,264.20
24X72 83.72 - - - - 554.23 721.67 1,324.50
30X30 73.94 - - 341.60 430.33 489.48 637.36 1,178.60
30X36 78.36 - - 362.02 456.06 518.74 675.46 1,249.06
30X42 83.77 - - - 487.54 554.56 722.10 1,335.29
30X48 89.18 - - - 519.03 590.37 768.73 1,421.53
30X54 94.62 - - - 550.69 626.38 815.62 1,508.24
30X60 100.05 - - - 582.29 662.33 862.43 1,594.80
30X66 105.47 - - - 613.84 698.91 909.15 1,681.19
30X72 110.91 - - - - 734.22 956.04 1,761.91
30X78 116.34 - - - - 770.14 1,002.85 1,854.46
30X84 121.76 - - - - 806.05 1,049.57 1,940.85